A POROUS, CRYSTALLIZED, AROMATIC POLYCARBONATE PREPOLYMER, A POROUS, CRYSTALLIZED AROMATIC POLYCARBONATE, AND PRODUCTION METHODS - Patent 0403657

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EP 0 403 657 A1

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(43)	Date of publication:
	27.12.1990 Bulletin 1990/52

(21)	Application number: 89910918.0

(22)	Date of filing: 29.09.1989

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International Patent Classification (IPC):

C08G 64/ 04^{( . )}
C08G 64/ 20^{( . )}

C08G 63/ 80^{( . )}

(86)	International application number:
	PCT/JP1989/000994

(87)	International publication number:
	WO 1990/007536 (12.07.1990 Gazette 1990/16)

(84)	Designated Contracting States:
	AT BE CH DE FR GB IT LI LU NL SE

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Priority:

27.12.1988 JP 19880327678
28.03.1989 JP 19890074048
04.07.1989 JP 19890171084
14.07.1989 JP 19890180434
27.07.1989 JP 19890192670

(71)	Applicant: Asahi Kasei Kogyo Kabushiki Kaisha
	Osaka-shi Osaka 530 (JP)

(72)	Inventors:
	FUKAWA, Isaburo Shizuoka-ken 416 (JP) FUKUOKA, Shinsuke Okayama-ken 710 (JP) KOMIYA, Kyosuke Okayama-ken 712 (JP) SASAKI, Yoro Okayama-ken 712 (JP)

(74)	Representative: Smulders, Theodorus A.H.J., Ir., et al
	Vereenigde Octrooibureaux Nieuwe Parklaan 97 NL-2587 BN 's-Gravenhage NL-2587 BN 's-Gravenhage (NL)

(54)	A POROUS, CRYSTALLIZED, AROMATIC POLYCARBONATE PREPOLYMER, A POROUS, CRYSTALLIZED AROMATIC POLYCARBONATE, AND PRODUCTION METHODS